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C++学习——对象的引用的用法
2021-08-07 23:42:48 【水沐银橙】
(1)使用引用当作函数参数和返回值,效率更高。
(2)函数返回的对象引用,必须在调用函数前就已经存在,不允许返回局部变量的引用!
(3)当不希望返回的对象被修改的时候,可以添加const。
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本文为[水沐银橙]所创,转载请带上原文链接,感谢
https://blog.51cto.com/u_12136715/3310090
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